Index: vehicle_gui.c
===================================================================
--- vehicle_gui.c	(revision 5317)
+++ vehicle_gui.c	(working copy)
@@ -1191,3 +1191,32 @@
 		}
 	}
 }
+StringID VehicleLoadingProgress(const Vehicle *v)
+{
+	const Vehicle *u;
+	uint16 cargo_count=0, cargo_cap=0;
+
+	u = v;
+
+	do {
+		// cycle through all wagons, add currently loaded amount to cargo_count and wagon capacity
+		// to cargo_cap
+		cargo_count += u->cargo_count;
+		cargo_cap += u->cargo_cap;
+	} while ((u = u->next) != NULL);
+
+	if (cargo_count == 0 && !(v->current_order.flags & OF_FULL_LOAD)) {
+		// Total cargo = 0 and order for current station is not Full Load means we're unloading
+		return STR_VEHICLE_UNLOADING;
+	} else {
+		if (cargo_count > 0) {
+			// common notation (cargo_count/cargo_cap)*100 won't work because uint16/uint16 returns a uint16
+			// making the display show either 0% or 100%
+			SetDParam(0, ((cargo_count*100)/cargo_cap));
+		} else {
+			// Can't divide by zero, so display 0% if total capacity if 0.
+			SetDParam(0, 0);
+		}
+		return STR_VEHICLE_LOADING;
+	}
+}
Index: vehicle_gui.h
===================================================================
--- vehicle_gui.h	(revision 5317)
+++ vehicle_gui.h	(working copy)
@@ -61,6 +61,7 @@
 void DrawShipPurchaseInfo(int x, int y, EngineID engine_number);
 
 void ChangeVehicleViewWindow(const Vehicle *from_v, const Vehicle *to_v);
+StringID VehicleLoadingProgress(const Vehicle *v);
 
 int ShowAdditionalText(int x, int y, int w, EngineID engine_number);
 
Index: lang/english.txt
===================================================================
--- lang/english.txt	(revision 5317)
+++ lang/english.txt	(working copy)
@@ -2463,6 +2463,9 @@
 STR_882D_VALUE                                                  :{LTBLUE}{STRING}{BLACK}   Value: {LTBLUE}{CURRENCY}
 STR_882E                                                        :{WHITE}{VEHICLE}
 STR_882F_LOADING_UNLOADING                                      :{LTBLUE}Loading / Unloading
+STR_VEHICLE_LOADING                                             :{LTBLUE}Loading {NUM}%
+STR_VEHICLE_UNLOADING                                           :{LTBLUE}Unloading
+STR_VEHICLE_DEPARTING                                           :{LTBLUE}Departing
 STR_TRAIN_MUST_BE_STOPPED                                       :{WHITE}Train must be stopped inside a depot
 STR_8830_CAN_T_SEND_TRAIN_TO_DEPOT                              :{WHITE}Can't send train to depot...
 STR_8831_NO_MORE_SPACE_FOR_ORDERS                               :{WHITE}No more space for orders
Index: aircraft_gui.c
===================================================================
--- aircraft_gui.c	(revision 5317)
+++ aircraft_gui.c	(working copy)
@@ -530,9 +530,10 @@
 				str = STR_HEADING_FOR_HANGAR + _patches.vehicle_speed;
 			} break;
 
-			case OT_LOADING:
-				str = STR_882F_LOADING_UNLOADING;
+			case OT_LOADING: {
+				str = VehicleLoadingProgress(v);
 				break;
+			}
 
 			default:
 				if (v->num_orders == 0) {
Index: economy.c
===================================================================
--- economy.c	(revision 5317)
+++ economy.c	(working copy)
@@ -1466,6 +1466,7 @@
 
 	if (result != 0) {
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
+		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);
 
 		if (result & 2) InvalidateWindow(WC_STATION_VIEW, last_visited);
 
Index: roadveh_gui.c
===================================================================
--- roadveh_gui.c	(revision 5317)
+++ roadveh_gui.c	(working copy)
@@ -343,11 +343,16 @@
 				str = STR_HEADING_FOR_ROAD_DEPOT + _patches.vehicle_speed;
 			} break;
 
-			case OT_LOADING:
-			case OT_LEAVESTATION:
-				str = STR_882F_LOADING_UNLOADING;
+			case OT_LOADING: {
+				str = VehicleLoadingProgress(v);
 				break;
+			}
 
+			case OT_LEAVESTATION: {
+				str = STR_VEHICLE_DEPARTING;
+				break;
+			}
+
 			default:
 				if (v->num_orders == 0) {
 					str = STR_NO_ORDERS + _patches.vehicle_speed;
Index: train_gui.c
===================================================================
--- train_gui.c	(revision 5317)
+++ train_gui.c	(working copy)
@@ -966,11 +966,17 @@
 				SetDParam(1, v->u.rail.last_speed);
 			} break;
 
-			case OT_LOADING:
-			case OT_LEAVESTATION:
-				str = STR_882F_LOADING_UNLOADING;
+			case OT_LOADING: {
+				str = VehicleLoadingProgress(v);
 				break;
+			}
 
+			case OT_LEAVESTATION: {
+				str = STR_VEHICLE_DEPARTING;
+				SetDParam(0, v->current_order.station);
+				break;
+			}
+
 			case OT_GOTO_WAYPOINT: {
 				SetDParam(0, v->current_order.station);
 				str = STR_HEADING_FOR_WAYPOINT + _patches.vehicle_speed;
Index: ship_gui.c
===================================================================
--- ship_gui.c	(revision 5317)
+++ ship_gui.c	(working copy)
@@ -488,11 +488,16 @@
 						str = STR_HEADING_FOR_SHIP_DEPOT + _patches.vehicle_speed;
 					} break;
 
-					case OT_LOADING:
-					case OT_LEAVESTATION:
-						str = STR_882F_LOADING_UNLOADING;
+					case OT_LOADING: {
+						str = VehicleLoadingProgress(v);
 						break;
+					}
 
+					case OT_LEAVESTATION: {
+						str = STR_VEHICLE_DEPARTING;
+						break;
+					}
+
 					default:
 						if (v->num_orders == 0) {
 							str = STR_NO_ORDERS + _patches.vehicle_speed;